yiisonger
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$24.50avg listing price — sweet spot $15–$100
Price range
Incredible$22.97–$25.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.1%return rate — above 5% kills the launch gate
Review moat
Good964.57avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-21.2%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf
Market size
Bad$29K$29K/yr · 42K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, yiisonger is a $29K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 35/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
yiisonger market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $37K–$49K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #85
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 9.2%
- Avg brand age
- 17 months
- Avg seller age
- 193 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
14
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- Vexnara67%
- Azmuth14%
- podoru12%
- Aobbow7%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -21.2% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 11.0×
Top yiisonger search terms
- yiisonger portable charger19K/yr
- yiisonger4K/yr
- yiisonger magnetic wireless mobiles charger2K/yr
- yiisonger magnetic wireless power bank3K/yr
- yiisonger power bank3K/yr
- azmuth portable charger4K/yr
- azmuth for magsafe battery pack 10000mah magnetic power bank5K/yr
Top yiisonger products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Vexnara for Magsafe Power Bank 10000mAh Magnetic Power Bank with USB-C Cable and PD 20W USB C Fast Charging LED Display Wireless Portable Charger for iPhone 17/16/15/14/13/12/Pro/Pro Max
Vexnara$24.424.4★354 rev

Vexnara for Magsafe Power Bank 10000mAh Magnetic Power Bank with USB-C Cable and PD 20W USB C Fast Charging LED Display Wireless Portable Charger for iPhone 17/16/15/14/13/12/Pro/Pro Max
Vexnara$25.704.4★354 rev

Azmuth for MagSafe Portable Charger 10000mAh Magnetic Power Bank with 20W PD USB-C Fast Charging LED Display for MagSafe Battery Pack Magnetic Travel Charger for iPhone 17/16/15/14/13/12 Series
Azmuth$25.544.4★959 rev

podoru for Magsafe Battery Pack 10000mAh Magnetic Power Bank Built-in Double USB C Cables 20W PD Fast Charging LED Display Wireless Portable Charger for iPhone 17/16/15/14/13/12 Series-Black
podoru$22.974.4★1,572 rev

Magnetic Portable Charger 10000mAh Power Bank 5 in 1 Portable Charger with Built in Cable 20W Fast Charging for Magsafe Battery Pack Compatible with iPhone 17/16/15/14/13/12 Pro/Pro Max-Black
Aobbow$23.584.5★2,004 rev
Newest
by launch date
podoru for Magsafe Battery Pack Foldable 10000mAh Magnetic Power Bank with USB-C Cable LED Display 22.5W PD Fast Charging Wireless Portable Charger for iPhone 17/16/15/14/13/12 Series-Black
podoru$23.51548 rev

Azmuth for MagSafe Portable Charger 10000mAh Magnetic Power Bank with 20W PD USB-C Fast Charging LED Display for MagSafe Battery Pack Magnetic Travel Charger for iPhone 17/16/15/14/13/12 Series
Azmuth$25.54959 rev

Azmuth for MagSafe Portable Charger 10000mAh Magnetic Power Bank with 20W PD USB-C Fast Charging LED Display for MagSafe Battery Pack Magnetic Travel Charger for iPhone 17/16/15/14/13/12 Series
Azmuth$25.79961 rev

Magnetic Portable Charger 10000mAh Power Bank 5 in 1 Portable Charger with Built in Cable 20W Fast Charging for Magsafe Battery Pack Compatible with iPhone 17/16/15/14/13/12 Pro/Pro Max-Black
Aobbow$23.582,004 rev

podoru for Magsafe Battery Pack 10000mAh Magnetic Power Bank Built-in Double USB C Cables 20W PD Fast Charging LED Display Wireless Portable Charger for iPhone 17/16/15/14/13/12 Series-Black
podoru$22.971,572 rev
Trending
90-day click momentum
podoru for Magsafe Battery Pack Foldable 10000mAh Magnetic Power Bank with USB-C Cable LED Display 22.5W PD Fast Charging Wireless Portable Charger for iPhone 17/16/15/14/13/12 Series-Black
podoru$23.514.6★

Magnetic Portable Charger 10000mAh Power Bank 5 in 1 Portable Charger with Built in Cable 20W Fast Charging for Magsafe Battery Pack Compatible with iPhone 17/16/15/14/13/12 Pro/Pro Max-Black
Aobbow$23.584.5★

Azmuth for MagSafe Portable Charger 10000mAh Magnetic Power Bank with 20W PD USB-C Fast Charging LED Display for MagSafe Battery Pack Magnetic Travel Charger for iPhone 17/16/15/14/13/12 Series
Azmuth$25.794.4★

podoru for Magsafe Battery Pack 10000mAh Magnetic Power Bank Built-in Double USB C Cables 20W PD Fast Charging LED Display Wireless Portable Charger for iPhone 17/16/15/14/13/12 Series-Black
podoru$22.974.4★

Vexnara for Magsafe Power Bank 10000mAh Magnetic Power Bank with USB-C Cable and PD 20W USB C Fast Charging LED Display Wireless Portable Charger for iPhone 17/16/15/14/13/12/Pro/Pro Max
Vexnara$24.424.4★
What buyers say about yiisonger
What buyers praise and complain about, mined from review topics.What buyers love
“Fast charger”
“Battery life is amazing”
“Solid build quality”
“very handy”
“Great for travel”
“Strong magnet”
“Good for price”
“It performs well”
“Happy with the size”
“Very stylish design”
What buyers complain about
“Never charged”
“Not that much durable”
“Doesnt work”
“Weak magnet”
“Absolute terrible product”
“It is a little heavy”
“Poor battery quality”
“Overheats sometimes”
“Waste of money”
“Did not fit my phone”
Top return reasons
Common questions
- Is yiisonger profitable to sell on Amazon United States?
- The niche generates $29K/yr across 7 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -21.2%. Flapen's verdict: Skip it (35/100).
- How competitive is the yiisonger niche?
- 4 brands and 14 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in yiisonger?
- Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 1.1%.
- When does demand for yiisonger peak?
- Demand peaks in Jul–Aug; the busiest month runs 11.0× the quietest.
- What does it cost to enter the yiisonger niche?
- Listings span $22.97–$25.79; the average listing price is $24.50 (sweet spot $15–$100). The average incumbent carries 965 reviews — the moat a new listing must climb.